Looks like trailerable centerboard boat, but you won't find a lot of info (though quite a few images come up on a google search.

If you want to repower with an inboard count on $6-8K if you have the work done, could easily be more than that if significant mods are required to make a newer engine fit. Add to that a probable prop change due to different gear ratios.... Sadly most boats in that state end up with outboards bolted to the transom..

Ron

1984 Fast/Nicholson 345 "FastForward"

".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)